I´m getting this error in XCode:
2013-08-23 14:36:18.284 Tell The DJ[14955:c07] ERROR: Plugin \'Device\' not found, or is not a CDVPlugin. Check your plugin
I am so tired of removing and re-adding platforms for plugin issues! It seems like it is still a problem even now (2014/10) where if you add plugins to an app after adding platforms the plugin sometime does not get propagated down to the corresponding platform folders/etc. Note this seems to mainly affect iOS - not Android.
I think my solution is just an updated method of doing same thing bjunix posted earlier - but in XCode 6 to fix this sort of thing without removing/re-adding my platform I:
After doing the above my project finally builds.